From a4bdf0f9104ee6733add4f82b5a1e29123259ad1 Mon Sep 17 00:00:00 2001
From: Miroslav Pejic <miroslav.pejic.85@gmail.com>
Date: Tue, 18 Apr 2023 09:44:35 +0200
Subject: [PATCH] [mirotalksfu] - add IPLookup on server side (optional)

---
 app/src/Server.js          | 24 ++++++++++++++++++++----
 app/src/config.template.js | 12 +++++++++++-
 package.json               |  1 +
 3 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/app/src/Server.js b/app/src/Server.js
index cd080c4d..bdab646b 100644
--- a/app/src/Server.js
+++ b/app/src/Server.js
@@ -8,6 +8,9 @@
 ███████ ███████ ██   ██   ████   ███████ ██   ██                                           
 
 dependencies: {
+    @sentry/node            : https://www.npmjs.com/package/@sentry/node
+    @sentry/integrations    : https://www.npmjs.com/package/@sentry/integrations
+    axios                   : https://www.npmjs.com/package/axios
     body-parser             : https://www.npmjs.com/package/body-parser
     compression             : https://www.npmjs.com/package/compression
     colors                  : https://www.npmjs.com/package/colors
@@ -20,8 +23,6 @@ dependencies: {
     ngrok                   : https://www.npmjs.com/package/ngrok
     openai                  : https://www.npmjs.com/package/openai
     qs                      : https://www.npmjs.com/package/qs
-    @sentry/node            : https://www.npmjs.com/package/@sentry/node
-    @sentry/integrations    : https://www.npmjs.com/package/@sentry/integrations
     socket.io               : https://www.npmjs.com/package/socket.io
     swagger-ui-express      : https://www.npmjs.com/package/swagger-ui-express
     uuid                    : https://www.npmjs.com/package/uuid
@@ -50,10 +51,11 @@ const https = require('httpolyglot');
 const mediasoup = require('mediasoup');
 const mediasoupClient = require('mediasoup-client');
 const http = require('http');
-const config = require('./config');
 const path = require('path');
+const axios = require('axios');
 const ngrok = require('ngrok');
 const fs = require('fs');
+const config = require('./config');
 const checkXSS = require('./XSS.js');
 const Host = require('./Host');
 const Room = require('./Room');
@@ -722,7 +724,7 @@ function startServer() {
             roomList.get(socket.room_id).broadCast(socket.id, 'setVideoOff', data);
         });
 
-        socket.on('join', (dataObject, cb) => {
+        socket.on('join', async (dataObject, cb) => {
             if (!roomList.has(socket.room_id)) {
                 return cb({
                     error: 'Room does not exist',
@@ -732,6 +734,11 @@ function startServer() {
             // Get peer IPv4 (::1 Its the loopback address in ipv6, equal to 127.0.0.1 in ipv4)
             const peer_ip = socket.handshake.headers['x-forwarded-for'] || socket.conn.remoteAddress;
 
+            // Get peer Geo Location
+            if (config.IPLookup.enabled && (peer_ip != '::1' || peer_ip != '127.0.0.1')) {
+                dataObject.peer_geo = await getPeerGeoLocation(peer_ip);
+            }
+
             const data = checkXSS(dataObject);
 
             log.debug('User joined', data);
@@ -1060,6 +1067,15 @@ function startServer() {
         }
     });
 
+    async function getPeerGeoLocation(ip) {
+        const endpoint = config.IPLookup.getEndpoint(ip);
+        log.debug('Get peer geo', { ip: ip, endpoint: endpoint });
+        return axios
+            .get(endpoint)
+            .then((response) => response.data)
+            .catch((error) => log.error(error));
+    }
+
     function getIP(req) {
         return req.headers['x-forwarded-for'] || req.socket.remoteAddress;
     }
diff --git a/app/src/config.template.js b/app/src/config.template.js
index c0e13eb8..83626039 100644
--- a/app/src/config.template.js
+++ b/app/src/config.template.js
@@ -80,7 +80,7 @@ module.exports = {
         signingSecret: '',
     },
     chatGPT: {
-        /**
+        /*
         ChatGPT
             1. Goto https://platform.openai.com/
             2. Create your account
@@ -92,6 +92,16 @@ module.exports = {
         max_tokens: 1000,
         temperature: 0,
     },
+    IPLookup: {
+        /*
+        GeoJS
+            https://www.geojs.io/docs/v1/endpoints/geo/
+        */
+        enabled: false,
+        getEndpoint(ip) {
+            return `https://get.geojs.io/v1/ip/geo/${ip}.json`;
+        },
+    },
     mediasoup: {
         // Worker settings
         numWorkers: Object.keys(os.cpus()).length,
diff --git a/package.json b/package.json
index f3b2d6e3..5a1d1462 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "dependencies": {
         "@sentry/integrations": "7.48.0",
         "@sentry/node": "7.48.0",
+        "axios": "^1.3.5",
         "body-parser": "1.20.2",
         "colors": "1.4.0",
         "compression": "1.7.4",